Pith Number

pith:JWGDVRA4

pith:2019:JWGDVRA464BIEXNSQPPNB3G5UP

not attested not anchored not stored refs pending

Upper limits on the water vapour content of the $\beta$ Pictoris debris disk

A. Brandeker, B. Larsson, G. Cataldi, G. Olofsson, M. Cavallius, R. Liseau

arxiv:1906.11106 v1 · 2019-06-26 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JWGDVRA464BIEXNSQPPNB3G5UP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T23:58:52.249817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d8c3ac41cf702825db283ded0ecdda3f3ab23c9c86172ffc9ed52ff47de7daf

Aliases

arxiv: 1906.11106 · arxiv_version: 1906.11106v1 · doi: 10.48550/arxiv.1906.11106 · pith_short_12: JWGDVRA464BI · pith_short_16: JWGDVRA464BIEXNS · pith_short_8: JWGDVRA4

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JWGDVRA464BIEXNSQPPNB3G5UP \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4d8c3ac41cf702825db283ded0ecdda3f3ab23c9c86172ffc9ed52ff47de7daf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e19641d06d5812f99f29daa4bcf7c42f3ccdd831d8fa0243cd7d4aa802eadb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-06-26T13:56:09Z",
    "title_canon_sha256": "0f354417a2156d8f87dac618b31cb6c7b2acec5bf1ad7b7cbd3ddbd5cf9de93d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11106",
    "kind": "arxiv",
    "version": 1
  }
}